.vcodewrap {
    width: 70px;
    overflow: hidden;
    font-size: 8px;
    height: 40px;
    text-align: center;
    position: relative;
  }
  
  .mask {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    background-color: rgba(66, 56, 56, 0.95) ;
    opacity: 0.8;
    line-height: 30px;
    color: white;
    z-index: 1;
  }
  .itemStr {
    float: left;
    margin-left: 5px;
  }
  #bgi {
    top: 0;
    left: 0;
    position: absolute;
    width: 100%;
    height: 100%;
  }